--TEST--
swoole_library/array/walk: usage variations - different callback functions
--SKIPIF--
<?php require __DIR__ . '/../../../include/skipif.inc'; ?>
--FILE--
<?php
require __DIR__ . '/../../../include/bootstrap.php';

Swoole\Runtime::enableCoroutine();

/* Prototype  : bool array_walk_recursive(array $input, string $funcname [, mixed $userdata])
 * Description: Apply a user function to every member of an array
 * Source code: ext/standard/array.c
*/

/*
 * Passing different types of callback functions to array_walk_recursive()
 *   without parameters
 *   with less and more parameters
*/

echo "*** Testing array_walk_recursive() : callback function variation ***\n";

$input = [['Apple', 'Banana'], 'Mango', ['Orange']];

echo "-- callback function with both parameters --\n";
function callback_two_parameter($value, $key)
{
    // dump the arguments to check that they are passed
    // with proper type
    var_dump($key);  // key
    var_dump($value); // value
    echo "\n"; // new line to separate the output between each element
}

var_dump(array_walk_recursive($input, 'callback_two_parameter'));

echo "-- callback function with only one parameter --\n";
function callback_one_parameter($value)
{
    // dump the arguments to check that they are passed
    // with proper type
    var_dump($value); // value
    echo "\n"; // new line to separate the output between each element
}

var_dump(array_walk_recursive($input, 'callback_one_parameter'));

echo "-- callback function without parameters --\n";
function callback_no_parameter()
{
    echo "callback3() called\n";
}

var_dump(array_walk_recursive($input, 'callback_no_parameter'));

echo "-- passing one more parameter to function with two parameters --\n";
var_dump(array_walk_recursive($input, 'callback_two_parameter', 10));

echo "Done"
?>
--EXPECT--
*** Testing array_walk_recursive() : callback function variation ***
-- callback function with both parameters --
int(0)
string(5) "Apple"

int(1)
string(6) "Banana"

int(1)
string(5) "Mango"

int(0)
string(6) "Orange"

bool(true)
-- callback function with only one parameter --
string(5) "Apple"

string(6) "Banana"

string(5) "Mango"

string(6) "Orange"

bool(true)
-- callback function without parameters --
callback3() called
callback3() called
callback3() called
callback3() called
bool(true)
-- passing one more parameter to function with two parameters --
int(0)
string(5) "Apple"

int(1)
string(6) "Banana"

int(1)
string(5) "Mango"

int(0)
string(6) "Orange"

bool(true)
Done
